AITS & Test SerieshardNUMERICAL

See imageAITS & Test Series Chemistry Question

Question

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Answer: 213

💡 Solution & Explanation

   3 PH g P g 3H g   o 1 atom H 954 kJ mol   1 average BE 954 P H 318 kJ mol 3         2 4 atm P H g 2P g 4H g H 1485      BE BE P P 4 P H 1485       BE P P 4 318 1485     BE P P 1485 1272     1 213 kJ mol 

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